CN220327155U - Multi-gear adjustable rotating handrail - Google Patents
Multi-gear adjustable rotating handrail Download PDFInfo
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- CN220327155U CN220327155U CN202322298340.4U CN202322298340U CN220327155U CN 220327155 U CN220327155 U CN 220327155U CN 202322298340 U CN202322298340 U CN 202322298340U CN 220327155 U CN220327155 U CN 220327155U
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- transition connecting
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- armrest
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- Seats For Vehicles (AREA)
Abstract
The rotatable armrest comprises an armrest main body, a transition connecting section and a supporting cylinder which are sequentially connected from top to bottom, wherein the armrest main body is rotationally connected with the transition connecting section, the transition connecting section is rotationally connected with the supporting cylinder, and the rotation direction of the armrest main body on the transition connecting section and the rotation direction of the transition connecting section on the supporting cylinder are crossed; the top of the transition connecting section is provided with a rotating shaft which is rotationally connected with the armrest main body, the bottom of the transition connecting section is abutted with the supporting cylinder, the top of the supporting cylinder is provided with a limiting gear which is fixedly connected, and the bottom of the transition connecting section is provided with a ball plunger which is meshed with the limiting gear; compared with the prior art, through setting up spacing gear and bulb plunger for transition linkage segment can be on supporting the section of thick bamboo horizontal rotation, and the horizontal rotation in-process at transition linkage segment drives the removal of handrail main part in step, and under the effect of axis of rotation, realizes that the handrail main part rotates in the vertical direction on the transition linkage segment, thereby adjusts the inclination of handrail main part.
Description
Technical Field
The utility model relates to the technical field of armrests, in particular to a multi-gear-adjustable rotary armrest.
Background
The ergonomic chair is designed to be elegant, unique, fashionable and light, and is a novel environment-friendly healthy chair commonly applied to modern families, entertainment, internet bars, hotels, leisure, meeting rooms, office computer desks and the like. The design principle is released naturally, and the human-based regulation is realized, so that the method is suitable for the regulation of various body types; the material is mainly environment-friendly.
The ergonomic chair mainly adopts mesh cloth components: the cushion and the chair back are made of Du Bangsha +polyester fiber, environment-friendly cloth, high-quality memory cotton and other elastic environment-friendly materials, and the technology is very suitable for the development of new trend of furniture in the future. Has good ventilation and heat dissipation characteristics, is comfortable and healthy, can prevent the growth environment of bacteria generated in the use process of the chair, can reduce the compression area of the back and the buttocks, press the acupoints at the stressed position, promote the blood circulation of the back and the buttocks, and avoid the strain of neck, shoulder and waist.
The height and the angle of the armrests of the ergonomic chair can be regulated usually, so that the hand and the table top are smoothly transited to prevent the mouse hand from being generated, the correct height of the armrests is regulated to 90 degrees between the arm and the elbow, the arm naturally hangs down at the moment, no shoulder hanging feel is correct, and the conditions such as shoulder ache or scapulohumeral periarthritis can be caused when the arm is in no support or poor support for a long time, so that the health is greatly influenced.
Chinese patent No. CN112773122a discloses a rotary positioning mechanism, a rotatable armrest frame of an armrest seat, and a chair, the mechanism comprises a fixing unit and a rotating unit, and the fixing unit comprises a fixing plate, an elastic ring piece, and a joint block. The fixing plate is provided with two arc grooves. The elastic ring piece is arranged between the arc grooves and provided with a plurality of arc concave parts. The joint block is formed with a plurality of joint concave surfaces.
The above disclosed rotary positioning mechanism can only realize the rotation of the armrest in the horizontal direction, and is difficult to realize the adjustment of the inclination angle between the armrest and the horizontal direction, so that the angle of the armrest cannot be adjusted synchronously with the inclination of the backrest, and the arm placement requirement of a user cannot be met.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides the handrail with the adjustable inclination angle, which is simple in structure. Multi-gear adjustable rotary armrest
In order to achieve the above object, the present utility model adopts the following technical scheme: the rotatable armrest comprises an armrest main body, a transition connecting section and a supporting cylinder which are sequentially connected from top to bottom, wherein the armrest main body is rotationally connected with the transition connecting section, the transition connecting section is rotationally connected with the supporting cylinder, and the rotation direction of the armrest main body on the transition connecting section and the rotation direction of the transition connecting section on the supporting cylinder are crossed; the transition connecting section top is equipped with the axis of rotation of being connected with handrail main part rotation, transition connecting section bottom and support section butt, and support section top is equipped with fixed connection's spacing gear, and transition connecting section bottom is equipped with the bulb plunger with spacing gear engaged with.
As a preferable scheme of the utility model, the rotating shaft is provided with the rotating sheet and the positioning sheet, the positioning sheet is inserted into the transition connecting section, and the rotating sheet and the armrest main body synchronously rotate.
As a preferable scheme of the utility model, the bottom of the positioning sheet is provided with an inserting sheet which is inserted into the transition connecting section, and the rotating sheet is provided with a connecting sheet which is fixedly connected with the armrest main body.
As a preferable scheme of the utility model, the rotating piece is provided with a matching hole, a clamping piece for controlling the armrest main body to rotate is arranged in the matching hole, and the rotating piece rotates to synchronously drive the clamping piece to move.
As a preferable scheme of the utility model, a clamping groove and a return groove which are matched with the clamping piece are formed in the matching hole, and a return piece which is abutted against the clamping piece is also arranged in the matching hole.
As a preferable scheme of the utility model, the positioning sheet is provided with a plurality of clamping teeth which are abutted against the clamping piece.
As a preferable scheme of the utility model, a plurality of the latches are of arc-shaped structures.
As a preferable scheme of the utility model, the positioning piece is also provided with a first pushing protrusion and a second pushing protrusion which are used for controlling the clamping piece, and the first pushing protrusion and the second pushing protrusion are positioned on the upper side and the lower side of the plurality of clamping teeth.
As a preferable scheme of the utility model, the bottom of the transition connecting section is clamped between the limiting gear and the supporting cylinder.
As a preferable mode of the utility model, the limit gear is horizontally arranged.
Compared with the prior art, the utility model has the beneficial effects that: through setting up spacing gear and bulb plunger for transition linkage segment can be on the support section of thick bamboo horizontal rotation, the horizontal rotation in transition linkage segment simultaneously drives the removal of handrail main part, and under the effect of axis of rotation, realizes that the handrail main part rotates in the vertical direction on the transition linkage segment, thereby adjusts the inclination of handrail main part;
meanwhile, under the action of the rotating sheet and the locating sheet, after the armrest main body is obliquely moved to a certain angle, the locating support of the armrest main body is realized, so that the multi-gear adjustment of the inclination degree of the armrest main body is realized.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic illustration of the connection of the transition piece to the support cylinder;
FIG. 3 is a schematic structural view of a transition joint;
FIG. 4 is a schematic view of the structure of the armrest;
FIG. 5 is a schematic structural view of a rotating shaft;
FIG. 6 is a partial enlarged view at B in FIG. 5;
reference numerals: the hand rest 1, the support cylinder 2, the transitional connecting section 7, the rotating shaft 71, the limiting gear 72, the ball plunger 73, the rotating piece 74, the positioning piece 75, the clamping tooth 751, the first pushing boss 752, the second pushing boss 753, the connecting piece 76, the inserting piece 77, the matching hole 78, the clamping piece 781, the resetting piece 782, the clamping groove 783 and the resetting groove 784.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-6, a multi-gear adjustable rotary armrest comprises an armrest main body 1, a transition connecting section 7 and a supporting cylinder 2 which are sequentially connected from top to bottom, wherein the armrest main body 1 is rotationally connected with the transition connecting section 7, the transition connecting section 7 is rotationally connected with the supporting cylinder 2, and the rotation direction of the armrest main body 1 on the transition connecting section 7 is crossed with the rotation direction of the transition connecting section 7 on the supporting cylinder 2; the armrest body 1 vertically rotates on the transition connecting section 7, so that the inclination angle of the armrest body 1 on the transition connecting section 7 is adjusted, and the transition connecting section 7 horizontally rotates on the support cylinder 2, so that the position of the armrest body 1 on the support cylinder 2 is adjusted.
The top of the transition connecting section 7 is provided with a rotating shaft 71 which is rotationally connected with the armrest main body 1, the bottom of the transition connecting section 7 is abutted with the supporting cylinder 2, the top of the supporting cylinder 2 is provided with a limiting gear 72 which is fixedly connected, and the bottom of the transition connecting section 7 is provided with a ball plunger 73 which is meshed with the limiting gear 72.
The limiting gear 72 is horizontally arranged, the bottom of the transition connecting section 7 is abutted with the supporting cylinder 2, a mounting hole for mounting the limiting gear 72 is formed in the bottom of the transition connecting section 7, a through hole communicated with the mounting hole is formed in the middle of the limiting gear 72, the fixed connection between the limiting gear 72 and the supporting cylinder 2 is achieved under the action of a bolt, the bottom of the transition connecting section 7 is clamped between the limiting gear 72 and the supporting cylinder 2, and the bottom of the transition connecting section 7 is rotationally connected to the bolt of the limiting gear 72.
The ball plunger 73 is arranged towards the limiting gear 72, a plurality of limiting teeth which are circumferentially arranged are formed on the limiting gear 72, the ball plunger 73 is always abutted with one of the limiting teeth, and the transition connecting section 7 is abutted with the limiting gears 72 at different positions through the ball plunger 73 in the horizontal rotation process of the supporting cylinder 2, so that the transition connecting section 7 after rotation is positioned.
The rotating shaft 71 is provided with a rotating plate 74 and a positioning plate 75, the bottom of the positioning plate 75 is provided with an inserting sheet 77 which is inserted into the transition connecting section 7, and the rotating plate 74 is provided with a connecting sheet 76 which is fixedly connected with the handrail main body 1.
The positioning plates 75 are arranged on two opposite sides of the rotating plate 74, the rotating plate 74 and the positioning plates 75 are arranged in parallel, the transition connecting section 7 is provided with inserting grooves corresponding to the inserting plates 77, and when the inserting plates 77 of the positioning plates 75 are inserted into the corresponding inserting grooves, the positioning plates 75 are always in a relatively static state, so that the rotating plate 74 and the positioning plates 75 rotate relatively in the synchronous rotation process of the rotating plate 74 along with the handrail main body 1.
The rotation piece 74 is formed with a fitting hole 78, a clamping piece 781 for controlling the armrest body 1 to rotate is arranged in the fitting hole 78, a clamping groove 783 and a return groove 784 which are matched with the clamping piece 781 are formed in the fitting hole 78, and a return piece 782 which is abutted against the clamping piece 781 is also arranged in the fitting hole 78.
The clamping piece 781 is arranged in the clamping groove 783 or the return groove 784 in a clamping manner, the return piece 782 is provided with an elastic structure, the return piece 782 is always abutted against the clamping piece 781, and the clamping stability of the clamping piece 781 in the clamping groove 783 or the return groove 784 is ensured.
The positioning plate 75 is formed with a plurality of latches 751 which are abutted against the clamping member 781, the positioning plate 75 is also formed with a first pushing protrusion 752 and a second pushing protrusion 753 for controlling the clamping member 781, and the first pushing protrusion 752 and the second pushing protrusion 753 are located on the upper side and the lower side of the plurality of latches 751.
The clamping piece 781 is initially arranged in the clamping groove 783, and the clamping piece 781 is synchronously driven to synchronously rotate in the rotating process of the rotating piece 74, so that the clamping piece 781 is clamped at different clamping tooth 751 positions, the angle adjustment of the rotating piece 74 is realized, and the stability of the clamping piece 781 is realized under the action of the resetting piece 782.
When the rotating piece 74 rotates to a certain angle, the clamping piece 781 is in contact with the first pushing protrusion 752, and under the pushing force of the first pushing protrusion 752, the clamping piece 781 slides to the return groove 784, and the rotating piece 74 is retracted, in the retraction process, since the clamping piece 781 is located in the return groove 784, the clamping piece 781 is not in contact with the latch 751 in the retraction process until the clamping piece 781 is in contact with the second pushing protrusion 753, under the pushing force of the second pushing protrusion 753, the clamping piece 781 slides to the clamping groove 783, and the clamping piece 781 can be clamped with the latch 751 again through the rotating piece 74, so as to readjust the clamping position of the clamping piece 781 on the latch 751.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model; thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more herein: the terms of the armrest 1, the support cylinder 2, the transitional coupling section 7, the rotation shaft 71, the limit gear 72, the ball plunger 73, the rotation piece 74, the positioning piece 75, the latch 751, the first pushing projection 752, the second pushing projection 753, the connection piece 76, the insertion piece 77, the mating hole 78, the clip 781, the reset piece 782, the clip groove 783, the reset groove 784, and the like are not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. The rotatable armrest comprises an armrest main body (1), a transition connecting section (7) and a supporting cylinder (2) which are sequentially connected from top to bottom, and is characterized in that the armrest main body (1) is rotationally connected with the transition connecting section (7), the transition connecting section (7) is rotationally connected with the supporting cylinder (2), and the rotation direction of the armrest main body (1) on the transition connecting section (7) and the rotation direction of the transition connecting section (7) on the supporting cylinder (2) are crosswise arranged; the top of the transition connecting section (7) is provided with a rotating shaft (71) which is rotationally connected with the armrest main body (1), the bottom of the transition connecting section (7) is in butt joint with the supporting cylinder (2), the top of the supporting cylinder (2) is provided with a limiting gear (72) which is fixedly connected, and the bottom of the transition connecting section (7) is provided with a ball plunger (73) which is meshed with the limiting gear (72).
2. The multi-gear adjustable rotating handrail according to claim 1, wherein the rotating shaft (71) is provided with a rotating plate (74) and a positioning plate (75), the positioning plate (75) is inserted into the transition connecting section (7), and the rotating plate (74) rotates synchronously with the handrail main body (1).
3. A rotatable armrest as claimed in claim 2, characterized in that the bottom of the positioning plate (75) is formed with a plug-in piece (77) which is plugged into the transitional connecting section (7), and the rotating plate (74) is provided with a connecting piece (76) which is fixedly connected with the armrest main body (1).
4. The multi-gear adjustable rotating handrail according to claim 2, wherein the rotating piece (74) is provided with a matching hole (78), a clamping piece (781) for controlling the handrail main body (1) to rotate is arranged in the matching hole (78), and the rotating piece (74) rotates synchronously to drive the clamping piece (781) to move.
5. The multi-gear adjustable rotating handrail according to claim 4, wherein a clamping groove (783) and a return groove (784) which are matched with the clamping piece (781) are formed in the matching hole (78), and a reset piece (782) which is abutted with the clamping piece (781) is further arranged in the matching hole (78).
6. A multi-stage adjustable rotary armrest according to claim 5, characterized in that the detent (75) has a plurality of teeth (751) formed thereon for abutment with the detent (781).
7. A multi-stage adjustable rotary armrest according to claim 6, characterized in that a plurality of said latches (751) are of arcuate configuration.
8. The multi-stage adjustable rotating handrail according to claim 5, wherein the positioning plate (75) is further formed with a first pushing protrusion (752) and a second pushing protrusion (753) for controlling the clamping member (781), and the first pushing protrusion (752) and the second pushing protrusion (753) are located on the upper side and the lower side of the plurality of clamping teeth (751).
9. A multi-stage adjustable rotating handrail according to claim 1, characterized in that the transition piece (7) is clamped at the bottom between a limit gear (72) and a support cylinder (2).
10. A multi-stage adjustable rotating handrail according to claim 1, characterized in that the limit gear (72) is arranged horizontally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322298340.4U CN220327155U (en) | 2023-08-25 | 2023-08-25 | Multi-gear adjustable rotating handrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322298340.4U CN220327155U (en) | 2023-08-25 | 2023-08-25 | Multi-gear adjustable rotating handrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220327155U true CN220327155U (en) | 2024-01-12 |
Family
ID=89442292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322298340.4U Active CN220327155U (en) | 2023-08-25 | 2023-08-25 | Multi-gear adjustable rotating handrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220327155U (en) |
-
2023
- 2023-08-25 CN CN202322298340.4U patent/CN220327155U/en active Active
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